Complaint
| Basic performance technical indicators | |||
| Item | Technical Index | ||
| HG/T 5368-2018 | 601 | ||
| Volatile organic compound (VOC) content (g/L) | ≤250 | 150 | |
| Non-volatile content (%) | ≥80 | 88 | |
| Drying time (h) | Surface drying time | ≤2 | 1 |
| Hard working time | ≤5 | 4 | |
| Appearance of coating film | normal | normal | |
| Bending test (mm) | 2 | qualified | |
| Impact resistance (cm) | 50 | qualified | |
| Wear resistance (1000g/1000r)/g | ≤0.06 | 0.02 | |
| Pencil hardness (scratch) | ≥H | H | |
| Adhesion (pull method) (MPa) | ≥7 | 12 | |
| Acid resistance [5% (mass fraction) sulfuric acid solution, 168h] | No blistering, no rust, no cracking, no peeling No bubbling, no rust, no cracking, no peeling | No blistering, no rust, no cracking, no peeling No bubbling, no rust, no cracking, no peeling | |
| Alkali resistance [5% (mass fraction) sodium hydroxide solution, 168h] | No blistering, no rust, no cracking, no peeling No bubbling, no rust, no cracking, no peeling | No blistering, no rust, no cracking, no peeling No bubbling, no rust, no cracking, no peeling | |
| Resistance to artificial weathering (1500h) | no blistering, no rust, no cracking, no peeling, No chalking, discoloration ≤2 level, loss of light ≤2 level | no blistering, no rust, no cracking, no peeling, No chalking, discoloration ≤2 level, loss of light ≤2 level | |
| Humidity resistance | Atmospheric corrosion level (C2~C3) | 240h no blistering, no rust, no cracking, no peeling | 240h no blistering, no rust, no cracking, no peeling |
| Atmospheric corrosion grade (C4~C5) a 720h | 720h no blistering, no rust, no cracking, no peeling | 720h no blistering, no rust, no cracking, no peeling | |
| Humidity resistance | Atmospheric corrosion grade (C2~C3) | no blistering, no rust, no cracking, no peeling | no blistering, no rust, no cracking, no peeling |
| Atmospheric corrosion grade (C4~C5) a 720h | 1440h no blistering, no rust, no cracking, no peeling | 1440h no blistering, no rust, no cracking, no peeling | |
| Note: a. Matching primer test. | |||
| The versatility of spray polyurea products |
| Product shelf life and storage: 1. The storage temperature should be 5-40ºC 2. Under normal storage and transportation conditions, the storage period is not less than 6 months from the date of production 3. Store in a cool, ventilated environment, avoid direct sunlight, prohibit close to fire sources, and prevent collisions 4. Packaging: component A: 220KG/drum, component B: 210KG/drum |
| Precautions: 1. During construction, the temperature of the substrate must be 3°C higher than the dew point temperature; 2. Before the product is used, component B should be fully stirred; 3. The system has a 100% solid content, and it is strictly forbidden to add any diluent; 4. During construction in a confined space, good ventilation must be maintained; 5. When using this product, you must wear work clothes, goggles, gas masks, gloves and other protective equipment. |
| Product application guidance: Recommended spraying machine: Graco H-XP3 polyurea spraying equipment spray gun; air or mechanical self-cleaning polyurea spray gun Static pressure 2300-2500psi; dynamic pressure 2000-2200psi Recommended dry film thickness: 1000-3000μm Recoating interval≤6h |
| Proportion: Component A: Component B =1:1 |
